Video: How to Choose Eyepieces

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Telescope Eyepieces

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The great thing about zoom eyepieces is that you can locate an object at low power and then just zoom in with no switching of eyepieces. The 7-21mm Orion Explorer II zoom telescope eyepiece has fully coated optics and long eye relief.

Zoom eyepieces allow you to view an object at low power and then view it at at a higher power without having to switch between eyepieces. The 7.2-21.5mm Orion Zoom Telescope Eyepiece has fully multi-coated optics for clear, sharp images.

For testing the accuracy of your tracking system, or centering stars for GoTo system alignment, the wide field of the Orion 20mm Illuminated Centering Eyepiece makes it easy. Just use the illuminated crosshair to acquire and center any star.

Orion Extension Tubes are designed when you need extra back focus, often when viewing close up terrestrial objects in the backyard, or when you don't want to use a 90-deg star diagonal in the system. Provides 2" of extra extension.

Tele Vue Plossl telescope eyepieces set the standard in this time-tested design. Fully multi-coated for the greatest light transmission and contrast, each Plossl features a beautifully machined housing.

Tele Vue Panoptic telescope eyepieces set the standard for wide field optical performance. They are fully multi-coated and feature a sharp, high-contrast image across their 68anddeg; field of view. The optics are housed in an exquisitely crafted body.

Tele Vue Nagler telescope eyepieces offer an 82anddeg; spacewalk view of the night sky. But a large field of view isn't all these eyepieces are known for. Their sharpness, contrast, and brightness is unparalleled in the industry.

DeLite eyepieces from Tele Vue present a more lightweight and economical version of the popular Delos eyepiece series. Each DeLite eyepiece features a 62-degree apparent field of view, 20mm eye relief, and a unique, sliding and locking eyeguard.

The Tele Vue Ethos line of telescope eyepieces provide a stunningly wide field of view combined with optical performance that is unmatched. 100anddeg; field of view (110anddeg; for the 3.7mm) provides the observer with a beautiful vista into space.

The 12.5mm Orion Illuminated Plossl Telescope Eyepiece is great for accurately aligning your computerized telescope because the LED illuminated double crossline will tell you when the star is dead center. Also use it for guiding during an exposure.

The Wifi Digital Eyepiece for Microscopes and Telescopes from Barska is a wireless digital recorder that is used in lieu of an eyepiece on both microscopes and telescopes, and has been designed to work with your mobile Android or iOS device.

Eyeguard Extender raises the eyeguard position by 8mm, and includes a rubber eyeguard and eyepiece cap. Units are stackable: for example 2 units add 16mm height and make a 40mm Plossl very comfortable for solar viewing by blocking stray daylight.

The 3-6mm Tele Vue Nagler Zoom Eyepiece is perfect for the serious lunar and planetary observer. The apparent field and eye relief stay constant, and it is parfocal throughout the zoom range which eliminates the need to refocus as you adjust it.

The Tele Vue Paracorr type 2 coma corrector eliminates or reduces coma in reflector telescopes as fast as f/3. Works visually or photographically, and the top is tunable to optimize the performance with any eyepiece and telescope combination.

The Coronado CEMAX Eyepiece and Barlow Kit includes a set of three 1.25" CEMAX eyepieces and a barlow specifically made for solar viewing. Just add your favorite solar filter for the ultimate in contrast enhancement for the solar observer.

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More About Telescope EyepiecesTelescope eyepieces focus the light from a telescope into the final image and determine (along with the telescope's optics) the magnification of the image. From the basic four-lens Plossl design to wide-angle, exotic designs that incorporate more lenses, Orion telescope eyepieces deliver reliable image quality and value. Be sure to get a few different focal lengths to ensure a range of magnification options for different observing targets.

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At Orion, we are committed to sharing our knowledge and passion for astronomy and astrophotography with the amateur astronomy community. Visit the Orion Community Center for in-depth information on telescopes, binoculars, and astrophotography. You can find astrophotography "how to" tips and share your best astronomy pictures here. Submit astronomy articles, events, & reviews, and even become a featured Orion customer!